Roller blind with lid on the extract slot

The window roller blind has a cover (15) to cover the withdrawal slot (12) when the roller blind is drawn in. A pull rod assembly is connected to the roller blind and on one end has a guide component which is guided in a guide slot of a guide rail (16) which extends along the sides next to the roller blind. An operating element runs in the guide slot, is elastically flexible and linear form, and acting with the pull rod assembly in the pressure direction is coupled to the pull rod assembly and is designed to directly move the cover. A drive unit move the operating element along the guide slot and rotates the winding spindle of the roller blind.